Finding the Fourth Proportional to 11,397.24, 17,085.48 and 3,997.68

Step by Step Solution

1. Step 1: Write the proportion equation
   11,397.24 : 17,085.48 = 3,997.68 : x
2. Step 2: Convert to fraction form
   11,397.24/17,085.48 = 3,997.68/x
3. Step 3: Cross multiply
   11,397.24x = 17,085.48 × 3,997.68
4. Step 4: Simplify right side
   11,397.24x = 68,302,281.69
5. Step 5: Solve for x
   x = 68,302,281.69/11,397.24
6. Step 6: Final answer
   x = 5,992.88